缓倾斜厚煤层
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gently inclined thick coal seam
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The selection process and approach on mining technology and equipment in gently inclined and inclined thick coal seam are discussed.
论述了缓倾斜、倾斜厚煤层采煤工艺及设备方案的合理选择过程、方法。
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